Lang, P. T., Maingi, R., Mansfield, D. K., McDermott, R. M., Neu, R., Wolfrum, E., et al. (2017). Impact of lithium pellets on plasma performance in the ASDEX Upgrade all-metal-wall tokamak. Nuclear Fusion, 57: 016030. doi:10.1088/0029-5515/57/1/016030.